Removing The Fan Tray; Figure 39: Removing The Rear Lower Impeller Assembly - Juniper Internet Router M160 Hardware Manual

3.

Figure 39: Removing the Rear Lower Impeller Assembly

Removing the Fan Tray

The fan tray is located behind the cable management system on the front
of the chassis, just above the air filter, as shown in Figure 1. The fan tray
contains four fans and weighs approximately 13 lb (5.9 kg).
To remove the fan tray, follow this procedure (see Figure 40):
1.
2.
3.
Grasp the screws at opposite corners of the impeller cover and slide the
assembly out of the chassis.
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist and
connect the strap to one of the ESD points on the chassis. Make sure the router
is attached to a proper earth ground. For more information about ESD, see
"Preventing Electrostatic Discharge Damage" on page 226.
Loosen the thumbscrew at each end of the fan tray, using a Phillips screwdriver
if necessary.
Grasp the sides of the fan tray and pull firmly to slide it out of the chassis.
Installing the Router without a Mechanical Lift
Removing Components from the Chassis
93